<template>
  <div>
    <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
      <el-form-item label="部门名称" prop="name">
        <el-input
          v-model="form.name"
          style="width: 80%"
          placeholder="1-50个字符"
        />
      </el-form-item>
      <el-form-item label="部门编码" prop="code">
        <el-input
          v-model="form.code"
          style="width: 80%"
          placeholder="1-50个字符"
        />
      </el-form-item>
      <el-form-item label="部门负责人" prop="manager">
        <el-select
          v-model="form.manager"
          style="width: 80%"
          placeholder="请选择"
        >
          <el-option
            v-for="item in employees"
            :key="item.id"
            :value="item.username"
            :label="item.username"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="部门介绍" prop="introduce">
        <el-input
          v-model="form.introduce"
          style="width: 80%"
          placeholder="1-300个字符"
          type="textarea"
          :rows="3"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
        <el-button size="small" @click="hCancel">取消</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
import { getEmployees } from '@/api/employees'
import {
  addDepartments,
  getDepartDetail,
  updateDepartments
} from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    const validCode = (rule, value, callback) => {
      let originCodes = this.originList.map(item => item.code)
      if (this.isEdit) {
        originCodes = this.originList
          .filter(item => item.id !== this.id)
          .map(item => item.code)
      }
      console.log('当前校验的值', value, originCodes)
      if (originCodes.includes(value)) {
        callback(new Error(value + '已存在'))
      } else {
        callback()
      }
    }
    const validName = (rule, value, callback) => {
      // 同级不重复
      // 找下级部门: 找到pid为this.id值的部门
      let originNames = this.originList.map(item => item.name)
      if (this.isEdit) {
        const cur = this.originList.find(item => item.id === this.id)
        const pid = cur.pid
        const brothers = this.originList.filter(
          item => item.pid === pid && item.id !== this.id
        )
        originNames = brothers.map(item => item.name)
      }
      console.log('当前校验的值', value, originNames)
      if (originNames.includes(value)) {
        callback(new Error(value + '已存在'))
      } else {
        callback()
      }
    }
    return {
      form: {
        name: '',
        code: '',
        manager: '',
        introduce: ''
      },
      employees: [],
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          {
            min: 1,
            max: 50,
            message: '部门名称要求1-50个字符',
            trigger: 'blur'
          },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          {
            min: 1,
            max: 50,
            message: '部门编码要求1-50个字符',
            trigger: 'blur'
          },
          { validator: validCode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          {
            min: 1,
            max: 300,
            message: '部门介绍要求1-300个字符',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  created() {
    this.loadEmployees()
    this.loadDetail()
  },
  methods: {
    async loadDetail() {
      if (this.isEdit) {
        const res = await getDepartDetail(this.id)
        console.log('编辑的id详情', res)
        this.form = res.data
      }
    },
    async loadEmployees() {
      const res = await getEmployees()
      console.log(res)
      this.employees = res.data
    },
    async doAdd() {
      const d = { ...this.form, pid: this.id }
      console.log(d)
      await addDepartments(d)
      // this.$emit('自定义事件名')
      this.$emit('success')
    },
    async doEdit() {
      await updateDepartments(this.form)
      // this.$emit('自定义事件名')
      this.$emit('success')
    },
    // hSubmit() {
    //   // if (this.isEdit) {
    //   //   this.doEdit()
    //   // } else {
    //   //   this.doAdd()
    //   // }
    //   this.isEdit ? this.doEdit() : this.doAdd()
    // },
    hSubmit() {
      // 兜底校验
      // 表单验证
      this.$refs.deptForm.validate(valid => {
        if (valid) {
          this.isEdit ? this.doEdit() : this.doAdd()
        }
      })
    },
    resetForm() {
      this.$refs.deptForm.resetFields()
    },
    hCancel() {
      this.$emit('close')
    }
  }
}
</script>

<style>
</style>
